Loans And The Allowance For Credit Losses (Composition of Loan Portfolio) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment [Line Items]
Total Loans	$ 1,156,663	$ 1,166,233
Commercial, Financial And Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	183,069	172,810
Municipal Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	96,258	94,007
Real Estate Loans – Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	472,986	489,706
Real Estate Loans – Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	381,301	371,319
Real Estate Loans – Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	17,970	31,841
Installment Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	4,793	5,655
All Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	$ 286	$ 895